U.S. patent application number 15/211033 was filed with the patent office on 2017-01-26 for article of footwear having a chain-linked tensile support structure.
The applicant listed for this patent is NIKE, Inc.. Invention is credited to Stephan Hausmann, Laura C. Parrett, Robert C. Williams, JR..
Application Number | 20170020231 15/211033 |
Document ID | / |
Family ID | 56551015 |
Filed Date | 2017-01-26 |
United States Patent
Application |
20170020231 |
Kind Code |
A1 |
Hausmann; Stephan ; et
al. |
January 26, 2017 |
Article of Footwear Having A Chain-Linked Tensile Support
Structure
Abstract
Articles of footwear having an upper that includes a tensile
support structure are described. The tensile support structure is
formed by a plurality of strands that are arranged in a
chain-linked configuration. The chain-linked arrangement of the
strands assists with distributing tensile forces over portions of
the upper of the article of footwear and helps to conforms the
upper to a foot of a wearer upon the application of tension.
Inventors: |
Hausmann; Stephan; (Happy
Valley, OR) ; Parrett; Laura C.; (Portland, OR)
; Williams, JR.; Robert C.; (Tigard, OR) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
NIKE, Inc. |
Beaverton |
OR |
US |
|
|
Family ID: |
56551015 |
Appl. No.: |
15/211033 |
Filed: |
July 15, 2016 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
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62194670 |
Jul 20, 2015 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
A43B 23/0235 20130101;
A43B 13/181 20130101; A43B 23/028 20130101; A43B 23/0265 20130101;
A43B 5/14 20130101; A43C 1/04 20130101; A43B 13/187 20130101; A43B
13/12 20130101; A43B 23/026 20130101; A43B 1/04 20130101; A43B 5/06
20130101; A43C 5/00 20130101; A43B 3/12 20130101; A43B 5/002
20130101; A43B 5/02 20130101; A43B 23/021 20130101; A43B 23/0215
20130101 |
International
Class: |
A43B 23/02 20060101
A43B023/02; A43B 5/06 20060101 A43B005/06; A43B 5/14 20060101
A43B005/14; A43B 13/18 20060101 A43B013/18; A43B 5/00 20060101
A43B005/00; A43B 3/12 20060101 A43B003/12; A43B 13/12 20060101
A43B013/12; A43C 5/00 20060101 A43C005/00; A43C 1/04 20060101
A43C001/04; A43B 5/02 20060101 A43B005/02 |
Claims
1. An article of footwear having an upper and a sole structure
secured to the upper, the upper comprising: a base layer having an
interior surface and an opposite exterior surface, the base layer
forming at least a portion of the upper of the article of footwear;
a tensile support structure disposed proximate to the exterior
surface of the base layer, the tensile support structure comprising
a plurality of strands that extend between a lace region of the
upper and a lower region of the upper; and wherein the plurality of
strands are joined together in a chain-link arrangement through the
tensile support structure.
2. The article of footwear according to claim 1, wherein the
plurality of strands is secured between the upper and the sole
structure at the lower region of the upper.
3. The article of footwear according to claim 1, wherein one or
more of the plurality of strands are unsecured to the upper between
the lower region of the upper and the lace region.
4. The article of footwear according to claim 1, further comprising
a lace that extends through one or more lace-receiving
elements.
5. The article of footwear according to claim 4, wherein the lace
extends through at least a first lace loop formed by a first strand
of the plurality of strands and a second lace loop formed by a
second strand of the plurality of strands.
6. The article of footwear according to claim 5, wherein the first
lace loop is disposed proximate a forefoot region of the article of
footwear and the second lace loop is disposed nearer to a heel
region of the article of footwear than is the first lace loop.
7. The article of footwear according to claim 5, wherein a tensile
force applied to the first lace loop of the first strand is
transmitted through the tensile support structure to the second
strand such that an opposing tensile force is applied at the second
lace loop.
8. The article of footwear according to claim 1, further comprising
a cover layer disposed over at least a portion of the exterior
surface of the base layer; the cover layer forming at least a
portion of an exterior of the upper of the article of footwear.
9. The article of footwear according to claim 8, wherein at least a
first portion of the plurality of strands are disposed between the
exterior surface of the base layer and an inside surface of the
cover layer and at least a second portion of the plurality of
strands are exposed at the exterior of the upper.
10. The article of footwear according to claim 9, wherein the first
portion of the plurality of strands and the second portion of the
plurality of strands are joined in a chain-link arrangement at one
or more locations through the tensile support structure.
11. The article of footwear according to claim 9, wherein the cover
layer further comprises one or more openings that extend through
the cover layer; and wherein at least one of the first portion of
the plurality of strands and the second portion of the plurality of
strands extend through the one or more openings.
12. The article of footwear according to claim 1, wherein the base
layer comprises a knitted component.
13. The article of footwear according to claim 1, wherein each
strand of the plurality of strands comprises an ascending portion,
a lace loop, and a descending portion; and wherein the ascending
portion extends from the lower region to the lacing region, the
descending portion extends from the lacing region to the lower
region, and the lace loop is disposed between the ascending portion
and the descending portion.
14. The article of footwear according to claim 13, wherein the
chain-link arrangement of the plurality of strands in the tensile
support structure comprises a plurality of intertwined links; and
wherein each intertwined link joins at least one ascending portion
and at least one descending portion of one or more strands of the
plurality of strands.
15. The article of footwear according to claim 14, wherein the at
least one ascending portion and the at least one descending portion
are located on one of: (i) a same strand, or (ii) different
strands.
16. An article of footwear having an upper and a sole structure
secured to the upper, the upper comprising: a knitted component
forming at least a portion of the upper of the article of footwear;
and a tensile support structure; wherein the tensile support
structure includes a plurality of strands that extend through the
knitted component between a lace region of the upper and a lower
region of the upper; and wherein the plurality of strands are
joined in a chain-link arrangement through the tensile support
structure.
17. The article of footwear according to claim 16, wherein a first
portion of the plurality of strands extend through tubes in the
knitted component formed by overlapping knit layers and a second
portion of the plurality of strands are exposed at an exterior of
the upper.
18. The article of footwear according to claim 16, wherein each
strand of the plurality of strands comprises an ascending portion,
a lace loop, and a descending portion; and wherein the ascending
portion extends from the lower region to the lacing region, the
descending portion extends from the lacing region to the lower
region, and the lace loop is disposed between the ascending portion
and the descending portion.
19. The article of footwear according to claim 18, wherein the
chain-link arrangement of the plurality of strands in the tensile
support structure comprises a plurality of intertwined links; and
wherein each intertwined link joins at least one ascending portion
and at least one descending portion of one or more strands of the
plurality of strands.
20. The article of footwear according to claim 19, wherein the at
least one ascending portion and the at least one descending portion
are located on one of: (i) a same strand, or (ii) different
strands.
21. The article of footwear according to claim 19, wherein one or
more of the plurality of intertwined links are exposed at the
exterior of the upper.
Description
CROSS REFERENCE TO RELATED APPLICATION
[0001] This non-provisional patent application claims the benefit
of priority under 35 U.S.C. .sctn.119(e) to U.S. Provisional Patent
Application Ser. No. 62/194,670 (Attorney Docket No. 51-4987),
which was filed in the U.S. Patent and Trademark Office on Jul. 20,
2015 and entitled "Article of Footwear Having A Chain-Linked
Tensile Support Structure", the disclosure of which application is
incorporated by reference in its entirety.
BACKGROUND
[0002] Articles of footwear generally include two primary elements:
an upper and a sole structure. The upper is often formed from a
plurality of material elements (e.g., textiles, polymer sheet
layers, foam layers, leather, synthetic leather) that are stitched
or adhesively bonded together to form a void on the interior of the
footwear for comfortably and securely receiving a foot. More
particularly, the upper forms a structure that extends over instep
and toe areas of the foot, along medial and lateral sides of the
foot, and around a heel area of the foot. The upper may also
incorporate a lacing system to adjust fit of the footwear, as well
as permitting entry and removal of the foot from the void within
the upper. In addition, the upper may include a tongue that extends
under the lacing system to enhance adjustability and comfort of the
footwear, and the upper may incorporate a heel counter.
BRIEF DESCRIPTION OF THE DRAWINGS
[0003] The embodiments can be better understood with reference to
the following drawings and description. The components in the
figures are not necessarily to scale, emphasis instead being placed
upon illustrating the principles of the embodiments. Moreover, in
the figures, like reference numerals designate corresponding parts
throughout the different views.
[0004] FIG. 1 is an isometric view of an exemplary embodiment of an
article of footwear including a tensile support structure;
[0005] FIG. 2 is a lateral side view of the exemplary embodiment of
an article of footwear including a tensile support structure;
[0006] FIG. 3 is a medial side view of the exemplary embodiment of
an article of footwear including a tensile support structure;
[0007] FIG. 4 is a top down view of the exemplary embodiment of an
article of footwear including a tensile support structure;
[0008] FIG. 5 is an exploded perspective view of the exemplary
embodiment of an article of footwear including a tensile support
structure;
[0009] FIG. 6 is an enlarged view of a portion of the lateral side
of the exemplary embodiment of an article of footwear;
[0010] FIG. 7 is a lateral side elevational view of the article of
footwear in a flexed configuration;
[0011] FIG. 8 is a schematic view of an exemplary embodiment of one
portion of the tensile support structure in a flexed
configuration;
[0012] FIG. 9 is a schematic view of an exemplary embodiment of a
portion of the tensile support structure;
[0013] FIG. 10 is a schematic view of an exemplary embodiment of a
portion of the tensile support structure in a flexed
configuration;
[0014] FIG. 11 is a lateral side view of an alternate embodiment of
an article of footwear including a tensile support structure;
[0015] FIG. 12 is an enlarged view of a portion of the lateral side
of the alternate embodiment of an article of footwear;
[0016] FIG. 13 is a cross-sectional view of the portion of the
lateral side of the alternate embodiment of the article of footwear
taken along line 13-13 in FIG. 12;
[0017] FIG. 14 is a is a lateral side view of an alternate
embodiment of an article of footwear incorporating a knitted
component including a tensile support structure;
[0018] FIG. 15 is an enlarged view of a portion of the lateral side
of the alternate embodiment of an article of footwear incorporating
a knitted component; and
[0019] FIG. 16 is a cross-sectional view of the portion of the
lateral side of the alternate embodiment of the article of footwear
incorporating a knitted component taken along line 16-16 in FIG.
15.
DETAILED DESCRIPTION
[0020] The following discussion and accompanying figures disclose
articles of footwear having an upper that includes a tensile
support structure. The tensile support structure is formed by a
plurality of strands that are arranged in a chain-linked
configuration. The articles of footwear are disclosed as having a
general configuration suitable for walking or running. Concepts
related to the article of footwear, including the upper, may also
be applied to a variety of other athletic footwear types, including
baseball shoes, basketball shoes, cross-training shoes, cycling
shoes, football shoes, tennis shoes, soccer shoes, and hiking
boots, for example. The concepts may also be applied to footwear
types that are generally considered to be non-athletic, including
dress shoes, loafers, sandals, and work boots. The concepts
disclosed herein apply, therefore, to a wide variety of footwear
types.
[0021] In one aspect of the embodiments, an article of footwear
having an upper and a sole structure secured to the upper is
provided. The upper can include a base layer having an interior
surface and an opposite exterior surface, the base layer forming at
least a portion of the upper of the article of footwear. The upper
can further include a tensile support structure disposed proximate
to the exterior surface of the base layer, the tensile support
structure comprising a plurality of strands that extend between a
lace region of the upper and a lower region of the upper. The
plurality of strands can be joined together in a chain-link
arrangement through the tensile support structure.
[0022] In another aspect of the embodiments, an article of footwear
having an upper and a sole structure secured to the upper is
provided. The upper can incorporate a knitted component. The
knitted component can form at least a portion of the upper of the
article of footwear. The upper can also include a tensile support
structure that comprises a plurality of strands that extend through
the knitted component between a lace region of the upper and a
lower region of the upper. The plurality of strands can be joined
in a chain-link arrangement through the tensile support
structure.
[0023] Other systems, methods, features and advantages of the
embodiments will be, or will become, apparent to one of ordinary
skill in the art upon examination of the following figures and
detailed description. It is intended that all such additional
systems, methods, features and advantages be included within this
description and this summary, be within the scope of the
embodiments, and be protected by the following claims.
[0024] FIGS. 1 through 7 illustrate an exemplary embodiment of an
article of footwear 100, also referred to simply as article 100. In
some embodiments, article of footwear 100 may include a sole
structure 110 and an upper 120. Although article 100 is illustrated
as having a general configuration suitable for training, concepts
related to article 100 may also be applied to a variety of other
athletic footwear types, including running shoes, soccer shoes,
baseball shoes, basketball shoes, cycling shoes, football shoes,
tennis shoes, walking shoes, and hiking boots, for example. The
concepts may also be applied to footwear types that are generally
considered to be non-athletic, including dress shoes, loafers,
sandals, and work boots. Accordingly, the concepts disclosed with
respect to article 100 may be applied to a wide variety of footwear
types.
[0025] For reference purposes, article 100 may be divided into
three general regions: a forefoot region 10, a midfoot region 12,
and a heel region 14, as shown in FIGS. 1, 2, and 3. Forefoot
region 10 generally includes portions of article 100 corresponding
with the toes and the joints connecting the metatarsals with the
phalanges. Midfoot region 12 generally includes portions of article
100 corresponding with an arch area of the foot. Heel region 14
generally corresponds with rear portions of the foot, including the
calcaneus bone. Article 100 also includes a lateral side 16 and a
medial side 18, which extend through each of forefoot region 10,
midfoot region 12, and heel region 14 and correspond with opposite
sides of article 100. More particularly, lateral side 16
corresponds with an outside area of the foot (i.e., the surface
that faces away from the other foot), and medial side 18
corresponds with an inside area of the foot (i.e., the surface that
faces toward the other foot). Forefoot region 10, midfoot region
12, and heel region 14 and lateral side 16, medial side 18 are not
intended to demarcate precise areas of article 100. Rather,
forefoot region 10, midfoot region 12, and heel region 14 and
lateral side 16, medial side 18 are intended to represent general
areas of article 100 to aid in the following discussion. In
addition to article 100, forefoot region 10, midfoot region 12, and
heel region 14 and lateral side 16, medial side 18 may also be
applied to sole structure 110, upper 120, and individual elements
thereof.
[0026] In an exemplary embodiment, sole structure 110 is secured to
upper 120 and extends between the foot and the ground when article
100 is worn. In some embodiments, sole structure 110 may include
one or more optional components, including a midsole, an outsole,
and/or a sockliner or insole.
[0027] Upper 120 defines a void within article 100 for receiving
and securing a foot relative to sole structure 110. The void is
shaped to accommodate the foot and extends along a lateral side of
the foot, along a medial side of the foot, over the foot, around
the heel, and under the foot. In an exemplary embodiment, upper 120
is formed from a base layer 122. The various portions of upper 120,
including base layer 122, may be formed from one or more of a
plurality of material elements (e.g., textiles, polymer sheets,
foam layers, leather, synthetic leather) that can form the majority
of upper 120 or portions can be stitched or bonded together to form
upper 120 defining the void within article 100.
[0028] Base layer 122 of upper 120 includes an exterior surface 21
and an opposite interior surface 22. Whereas exterior surface 21
faces outward and away from article 100, interior surface 22 faces
inward and defines a majority or a relatively large portion of the
void within article 100 for receiving the foot. Moreover, interior
surface 22 may lay against the foot or a sock covering the foot.
Upper 120 may also include a collar 123 that is located in at least
heel region 14 and forms a throat opening 140. Access to the
interior void of upper 120 is provided by throat opening 140. More
particularly, the foot may be inserted into upper 120 through
throat opening 140 formed by collar 123, and the foot may be
withdrawn from upper 120 through throat opening 140 formed by
collar 123. In some embodiments, a lacing region 130 extends
forward from collar 123 and throat opening 140 in heel region 14
over an area corresponding to an instep of the foot in midfoot
region 12 to an area adjacent to forefoot region 10.
[0029] In some embodiments, a lace 136 extends through various
lace-receiving elements to permit the wearer to modify dimensions
of upper 120 to accommodate the proportions of the foot. In the
exemplary embodiments, lace-receiving elements are configured as a
plurality of lace apertures 134. More particularly, lace 136
permits the wearer to tighten upper 120 around the foot, and lace
136 permits the wearer to loosen upper 120 to facilitate entry and
removal of the foot from the interior void (i.e., through ankle
opening 140). As an alternative to plurality of lace apertures 134,
upper 120 may include other lace-receiving elements, such as loops,
eyelets, and D-rings. In addition, upper 120 includes a tongue 132
that extends between the interior void and lace 136 to enhance the
comfort of article 100.
[0030] Article 100 may be provided with a tensile support structure
150 that is disposed across upper 120. Tensile support structure
150 can be configured to distribute tensile forces over portions of
upper 120 and can further be configured to conform upper 120 to a
foot of a wearer upon application of tension. In an exemplary
embodiment, article 100 includes tensile support structure 150
located on each of lateral side 16 and medial side 18. For example,
as shown in FIG. 4, tensile support structure 150 is present on
lateral side 16 and medial side 18, and extends towards lacing
region 130 on opposite sides of tongue 132. In one embodiment, each
portion of tensile support structure 150 on respective lateral side
16 and medial side 18 can be configured independently of one
another. In other embodiments, however, the portions of tensile
support structure 150 on each of lateral side 16 and medial side 18
may be connected to each other.
[0031] Tensile support structure 150 provides an arrangement that
permits tensile forces to be distributed across portions of upper
120. In an exemplary embodiment, tensile support structure 150
includes a plurality of strands 152 that are joined together in a
chain-link arrangement. That is, each of strands 152 are
interconnected or intertwined with each other across tensile
support structure 150.
[0032] During activities that involve walking, running, or other
ambulatory movements (e.g., cutting, braking), a foot within the
interior void of article 100 may tend to stretch upper 120. That
is, many of the material elements forming upper 120 may stretch
when placed in tension by movements of the foot. Although plurality
of strands 152 may also stretch to some degree, plurality of
strands 152 generally stretch to a lesser degree than the other
material elements forming upper 120 (e.g., base layer 122).
Plurality of strands 152 may be configured in a chain-linked
arrangement, therefore, to form tensile support structure 150
extending across upper 120 that distributes tensile forces over
portions of upper 120 and conforms upper 120 to a foot of a wearer
upon application of tension to ensure that the foot remains
properly positioned relative to sole structure 110 and upper
120.
[0033] Plurality of strands 152 may be formed by tensile elements
made of generally elongate materials exhibiting a length that is
substantially greater than a width and a thickness. Accordingly,
suitable materials for plurality of strands 152 include various
filaments, fibers, yarns, threads, cables, or ropes that are formed
from rayon, nylon, polyester, polyacrylic, silk, cotton, carbon,
glass, aramids (e.g., para-aramid fibers and meta-aramid fibers),
ultra-high molecular weight polyethylene, liquid crystal polymer,
copper, aluminum, and steel. Additional examples of suitable
tensile elements for plurality of strands 152 can include strands
disclosed in commonly-owned U.S. Pat. No. 8,631,589 to Dojan, the
disclosure of which is hereby incorporated by reference in its
entirety. Other similar materials may be used as tensile elements
forming plurality of strands 152.
[0034] In some cases, plurality of strands 152 may be formed by
individual and separate tensile elements for each of the strands of
tensile support structure 150. In other cases, the plurality of
strands 152 may be formed by a plurality of sections of one or more
tensile elements. In either case, plurality of strands 152 can
include a plurality of sections of a tensile element, or a
plurality of tensile elements, or both.
[0035] In some embodiments, tensile support structure 150 is
located adjacent to exterior surface 21 of base layer 122 of upper
120 and extends substantially parallel over exterior surface 21. In
addition, tensile support structure 150 is attached to upper 120
and/or sole structure 110 at a lower region of upper 120 where sole
structure 110 and upper 120 are attached. For example, plurality of
strands 152 may be secured to lower surface 123 of upper 120 and/or
to top surface 111. In some cases, plurality of strands 152 can be
located between lower surface 123 and top surface 111 to secure
tensile support structure 150 at the lower region of upper 120. In
other cases, plurality of strands 152 can be attached directly to
different portions of upper 120 and/or sole structure 110.
[0036] In the present embodiments, plurality of strands 152 are
fixed to upper 120 at the lower region, but can remain unsecured to
upper 120 in an area between the lower region and lacing region
130. Tensile support structure 150 can remain in loose contact with
exterior surface 21 of upper 120 in this area. While plurality of
strands 152 remain unsecured to upper 120 in the area between the
lower region and lacing region 130, plurality of strands 152 are
connected to one another at a plurality of intertwined links 154
across tensile support structure 150. At lacing region 130, loops
formed by plurality of strands 152 of tensile support structure 150
can interact with lace 136 and plurality of lace apertures 134 so
as to be connected to upper 120 at lacing region 130. With this
arrangement, tensile support structure 150 can distribute tensile
forces across various portions of upper 120.
[0037] As described above, the chain-linked arrangement of tensile
support structure 150 can be formed by plurality of strands 152
being connected to adjacent portions at a plurality of intertwined
links 154. Each of the intertwined links 154 is a connection
between adjacent portions of plurality of strands 152 that
partially wrap over and under each other to intertwine the adjacent
portions of strands 152 together and form a link. Plurality of
strands 152 are connected at plurality of intertwined links 154
across tensile support structure 150 to form a chain-linked
arrangement of plurality of strands 152. Plurality of strands 152
can be repeatedly connected at intertwined links 154 at
approximately regularly-spaced intervals across tensile support
structure 150 so as to form the chain-linked arrangement having a
plurality of diamond-shaped portions, as shown in the Figures.
[0038] As shown in FIG. 5, sole structure 110 includes a top
surface 111 that is secured to a lower surface 123 of upper 120
configured for securing sole structure 110 to upper 120. Although
this configuration for sole structure 110 provides an example of a
sole structure that may be used in connection with upper 120, a
variety of other conventional or nonconventional configurations for
sole structure 110 may also be used. Accordingly, in other
embodiments, the features of sole structure 110 or any sole
structure used with upper 120 may vary.
[0039] For example, in other embodiments, sole structure 110 may
include a midsole and/or a sockliner. A midsole may be secured to a
lower surface of an upper and in some cases may be formed from a
compressible polymer foam element (e.g., a polyurethane or
ethylvinylacetate foam) that attenuates ground reaction forces
(i.e., provides cushioning) when compressed between the foot and
the ground during walking, running, or other ambulatory activities.
In other cases, a midsole may incorporate plates, moderators,
fluid-filled chambers, lasting elements, or motion control members
that further attenuate forces, enhance stability, or influence the
motions of the foot. In still other cases, the midsole may be
primarily formed from a fluid-filled chamber that is located within
an upper and is positioned to extend under a lower surface of the
foot to enhance the comfort of an article.
[0040] In some embodiments, tensile support structure 150 may
include plurality of strands 152 arranged together to form separate
tensile support structures for each side of the article of footwear
100. As shown in the embodiment of FIG. 5, tensile support
structure 150 includes a medial side tensile support structure 500
and a lateral side tensile support structure 502 that are disposed
on each side of article 100. In other embodiments, tensile support
structure 150 can include plurality of strands 152 that are
connected and/or continuous between opposite lateral side 16 and
medial side 18 of article 100 so as to form tensile support
structure 150 that has connected and/or continuous lateral and
medial portions.
[0041] Referring now to FIG. 6, an enlarged view of a portion of
tensile support structure 150 is shown. As noted above, tensile
support structure 150 is formed by one or more strands or strand
sections of plurality of strands 152 that are connected at adjacent
portions to form intertwined links 154. For example, in this
embodiment, plurality of strands includes a first strand 600, a
second strand 610, and a third strand 620. First strand 600 is
located adjacent to second strand 610, and second strand 610 is
located adjacent to third strand 620. In this embodiment, first
strand 600 may be located more rearward along upper 120 towards
heel region 14 and third strand may be located more forward along
upper towards forefoot region 10.
[0042] In this embodiment, each of first strand 600, second strand
610, and third strand 620 include two portions extending between
lacing region 130 and the lower region of upper 120 near sole
structure 110. Together the two portions of each strand form a loop
near lacing region 130 that extends over lace apertures 134 for
receiving lace 136. For description purposes, the two portions may
be described as an ascending portion and a descending portion,
however, it should be understood that these terms do not
necessarily describe or limit the method of assembly of the present
embodiments.
[0043] For example, first strand 600 includes a first ascending
portion 602 that extends upwards from the lower region near sole
structure 110 in a direction towards lacing region 130. At lacing
region 130, first strand 600 forms a first loop 604 that extends
around first lace aperture 630 and a first descending portion 606
of first strand 600 extends back down from lacing region 130 in a
direction towards the lower region of upper 120 near sole structure
110. In a similar manner, second strand 610 includes a second
ascending portion 612 that extends upwards towards lacing region
130 and forms a second loop 614 around a second lace aperture 632
before a second descending portion 616 extends back towards the
lower region of upper 120 near sole structure 110. Third strand 620
has a similar arrangement with a third ascending portion 622 that
extends upwards towards lacing region 130 and forms a third loop
624 around a third lace aperture 634 before a third descending
portion 626 extends back towards the lower region of upper 120 near
sole structure 110.
[0044] In some embodiments, plurality of intertwined links 154
between adjacent portions of strands 152 can be described as being
either self-linked or adjacent-linked. That is, intertwined links
154 may join portions of the same strand or portions of different
strands of plurality of strands 152. As shown in FIG. 6, a first
link 650 connects first descending portion 606 of first strand 600
and second ascending portion 612 of second strand 610. First link
650 may be described as being adjacent-linked because it connects
adjacent ascending and descending portions of different strands,
for example, first strand 600 and second strand 610. In comparison,
a second link 652 connects first descending portion 606 of first
strand 600 and first ascending portion 602 of first strand 600.
Second link 652, therefore, may be described as being self-linked
because it connects adjacent ascending and descending portions of
the same strand, for example, first strand 600.
[0045] An arrangement of a combination of self-linked and
adjacent-linked intertwined links 154 can continue across tensile
support structure 150. Referring again to FIG. 6, a third link 654
connects first descending portion 606 of first strand 600 and
second ascending portion 612 of second strand 610 a second time
near the lower region of upper 120 near sole structure 110.
Similarly, a fourth link 656 connects second ascending portion 612
and second descending portion 616 of second strand 610, and a fifth
link 658 connects second descending portion 616 of second strand
610 with third ascending portion 622 of third strand 620. In this
case, third link 654 and fifth link 658 are adjacent-linked, while
fourth link 656 is self-linked. With this configuration, the
chain-linked arrangement connecting plurality of strands 152 of
tensile support structure 150 may be provided.
[0046] FIG. 7 illustrates a representation of article of footwear
100 including tensile support structure 150 in a flexed
configuration. As described above, tensile support structure 150
can distribute tensile forces across various portions of upper 120.
One example of this force distribution is illustrated, where a foot
700 of a wearer is disposed within upper 120, and an input force
702 is generated during an athletic motion, for example, a cutting
or pushing motion that flexes foot 700. In this example, input
force 702 is located towards the forefoot region of article 100,
near the source of the athletic motion. The chain-linked
arrangement of strands 152 distributes input force 702 through
tensile support structure 150 and causes a reaction force 704 to be
exerted on another portion of article 100. As shown in FIG. 7,
reaction force 704 is exerted on the opposite end of tensile
support structure 150, located near the heel region of article 100
and rearwardly of the location of input force 702.
[0047] In an exemplary embodiment, reaction force 704 may be
directed in an opposite direction as input force 702. For example,
when input force 702 is directed in an approximately outward
direction along a vertical axis of article 100 between lacing
region 130 and sole structure 110, reaction force 704 can be
directed in an approximately inward direction along the vertical
axis. With this configuration, an athletic motion located near the
forefoot region of article 100 can pull upper 120 tighter to foot
700 near the heel region of article 100 by distribution of the
tensile forces through the chain-linked configuration of tensile
support structure 150.
[0048] Additionally, in some cases, the distribution of tensile
forces through tensile support structure 150 can also cause
plurality of strands 152 to move closer to exterior surface 21 of
upper 120 and/or press base layer 122 of upper 120 inward towards
foot 700. With this distribution of tensile force through the
chain-linked arrangement of plurality of strands 152, tensile
support structure 150 can assist with conforming upper 120 to foot
700 of a wearer. The distribution of forces through tensile support
structure 150 can also assist with eliminating or reducing "hot
spots" on upper 120 where concentrated forces may be felt by foot
700 of a wearer. By providing an interconnected or intertwined
chain-link arrangement of strands 152, tensile support structure
150 distributes these forces over a greater area of foot 700 of the
wearer.
[0049] The distribution of tensile forces through the chain-linked
plurality of strands 152 forming tensile support structure 150 may
be described in further detail with reference to FIGS. 8 through
10.
[0050] FIG. 8 illustrates the distribution of tensile forces
through a single diamond-shaped portion 800 formed by plurality of
strands 152 of tensile support structure 150. In this embodiment,
diamond-shaped portion 800 can be in an unflexed or relaxed
configuration 802 (shown in outline). Upon the application of
tensile forces, for example, an input force 810 directed in an
approximately outward direction along a vertical axis of
diamond-shaped portion 800, diamond-shaped portion 800 can be in a
flexed configuration 804. As shown in FIG. 8, the change in the
shape of diamond-shaped portion 800 from unflexed configuration 802
to flexed configuration 804 causes a narrowing of diamond-shaped
portion 800, such that it becomes longer along the vertical axis
and shorter across the middle. The corresponding narrowing of
diamond-shaped portion 800 in flexed configuration 804 generates a
reaction force 812 that pulls opposite sides of diamond-shaped
portion 800 inward.
[0051] FIG. 9 illustrates one row of a chain-linked arrangement of
plurality of strands 152 forming tensile support structure 150. In
this embodiment, four diamond-shaped portions similar to
diamond-shaped portion 800 are joined together at intertwined
links. In particular, a first diamond-shaped portion 900 and a
second diamond-shaped portion 910 are joined at a first link 908,
second diamond-shaped portion 910 and a third diamond-shaped
portion 920 are joined at second link 918, and third diamond-shaped
portion 920 and a fourth diamond-shaped portion 930 are joined at a
third link 928.
[0052] In an exemplary embodiment, the row of chain-linked
plurality of strands 152 forming tensile support structure 150
shown in FIG. 9 can be one of lateral side 16 or medial side 18 of
upper 120, with first diamond-shaped portion 900 being located near
the heel region of article 100 and fourth diamond-shaped portion
930 being located near the forefoot region of article 100.
[0053] As with diamond-shaped portion 800 above, the row of
chain-linked plurality of strands 152 forming tensile support
structure 150 shown in FIG. 9 may be in an initially unflexed or
relaxed configuration. In this unflexed configuration, each of the
diamond-shaped portions has a shape extending between a top end and
a bottom end. For example, first diamond-shaped portion 900 extends
between a first top end 902 and a first bottom end 904, second
diamond-shaped portion 910 extends between a second top end 912 and
a second bottom end 914, third diamond-shaped portion 920 extends
between a third top end 922 and a third bottom end 924, and fourth
diamond-shaped portion 930 extends between a fourth top end 932 and
a fourth bottom end 934.
[0054] In this unflexed configuration, fourth diamond-shaped
portion 930 may have a distance between fourth top end 932 and
fourth bottom end 934 that is equal to a first height H1.
Similarly, in the unflexed configuration, first diamond-shaped
portion 900 may have a distance between first top end 902 and first
bottom end 904 that is equal to a third height H3. In this
embodiment, first height H1 is smaller than third height H3. Next,
as will be illustrated in reference to FIG. 10 below, a tensile
force can be applied to a portion of the row of chain-linked
plurality of strands 152 forming tensile support structure 150 to
move the strands to a flexed configuration.
[0055] FIG. 10 illustrates a schematic view of the distribution of
tensile forces through the chain-linked arrangement of tensile
support structure 150 that causes an input force at one portion to
generate a complementary reaction force at another portion. As
shown in FIG. 10, fourth diamond-shaped portion 930 is in a flexed
configuration due to an input force directed in an approximately
outward direction along a vertical axis that causes a narrowing of
fourth diamond-shaped portion 930 in a similar manner as described
above with reference to FIG. 8.
[0056] In this flexed configuration, fourth diamond-shaped portion
930 has a distance between flexed fourth top end 1032 and flexed
fourth bottom end 1034 that is equal to a second height H2. Second
height H2 is greater than first height H1 of fourth diamond-shaped
portion 930 in the unflexed configuration (shown in outline). In
changing shape from the unflexed configuration to the flexed
configuration, fourth diamond-shaped portion 930 becomes narrower
across the middle as the distance between flexed fourth top end
1032 and flexed fourth bottom end 1034 increases. This narrowing
exerts a force to each of the additional chain-linked portions of
tensile support structure 150.
[0057] In particular, as shown in FIG. 10, the input force on
fourth diamond-shaped portion 930 displaces each of first link 908,
second link 918, and third link 928 to move to a flexed first link
1008, a flexed second link 1018, and a flexed third link 1028 in
the flexed configuration of FIG. 10. Each of flexed first link
1008, flexed second link 1018, and flexed third link 1028 are
located closer to fourth diamond-shaped portion 930 than first link
908, second link 918, and third link 928 in the unflexed
configuration.
[0058] This displacement of the intertwined links distributes the
input force from fourth diamond-shaped portion 930 through tensile
support structure 150. In an exemplary embodiment, the distribution
of tensile forces generates a corresponding reaction force at first
diamond-shaped portion 900. As shown in FIG. 10, the distribution
of tensile force pulls first link 908 in a direction towards fourth
diamond-shaped portion 930 and causes first top end 902 and first
bottom end 904 to move closer together such that a distance between
a flexed first top end 1002 and a flexed first bottom end 1004 is
equal to a fourth height H4. Fourth height H4 is smaller than third
height H3 of first diamond-shaped portion 900 in the unflexed
configuration (shown in outline). With this configuration, the
reaction force at first diamond-shaped portion 900 is directed
inward in an approximately opposite direction as input force
applied to fourth diamond-shaped portion 930.
[0059] Other portions of tensile support structure 150 undergo a
similar change when transitioning from the unflexed configuration
to the flexed configuration. For example, second diamond-shaped
portion 910 moves between second top end 912 and second bottom end
914 to a flexed second top end 1012 and a flexed second bottom end
1014 when tensile forces are distributed through flexed first link
1008 and flexed second link 1018. In addition, third diamond-shaped
portion 920 moves from third top end 922 and third bottom end 924
to a flexed third top end 1022 and a flexed third bottom end 1024
when tensile forces are distributed through flexed second link 1018
and flexed third link 1028.
[0060] In embodiments where tensile support structure 150 is
disposed on medial side 18 and/or lateral side 16, this
corresponding reaction force transmitted through tensile support
structure 150 can cause an input force located near the forefoot
region to be distributed through tensile support structure 150 to
generate a reaction force at another portion located near the heel
region of the article of footwear.
[0061] Additionally, the distribution of tensile forces through
tensile support structure 150 as described with reference to FIG.
10 can also generate a longitudinal conformance that pulls
plurality of strands 152 to move closer to exterior surface 21 of
upper 120 and/or press base layer 122 of upper 120 inward towards
the foot of the wearer. That is, the pull exerted on each of the
intertwined links of tensile support structure 150 is directed in a
longitudinal direction between the heel region and the forefoot
region of article 100. As shown in FIG. 10, when tensile forces
pull on each of flexed first link 1008, flexed second link 1018,
and flexed third link 1028, tensile support structure 150 can move
closer towards exterior surface 21 of upper 120. With this
distribution of tensile force through the chain-linked arrangement
of plurality of strands 152, tensile support structure 150 can
assist with conforming upper 120 to the foot of a wearer.
[0062] The previous embodiments have been described with reference
to article 100 including upper 120 formed by base layer 122. In
other embodiments, an article of footwear including a tensile
support structure may have different types or arrangements of
uppers. For example, alternate embodiments of articles of footwear
with tensile support structures according to the principles
disclosed herein can include uppers as shown in FIGS. 11-13 and
FIGS. 14-16, described in more detail below.
[0063] In some embodiments, an upper for an article of footwear may
include multiple layers. Accordingly, an alternate embodiment of
article of footwear 1100 including a multiple layer upper 1120 is
described in FIGS. 11-13.
[0064] Referring now to FIG. 11, article 1100 includes upper 1120
and sole structure 1110. Sole structure 1110 is secured to upper
1120 and extends between the foot and the ground when article 1100
is worn. In this embodiment, upper 1120 includes multiple layers,
including a cover layer 1122 and a base layer 1124. Cover layer
1122 and base layer 1124 are generally co-extensive and have
surfaces that are disposed adjacent to one another over the extent
of upper 1120. For example, as shown in FIG. 13, an outside surface
1300 of cover layer 1122 can form a majority of an exterior of
upper 1120 and an inside surface 1302 of cover layer 1122 is
disposed adjacent to and facing towards an exterior surface 1310 of
base layer 1124. An interior surface 1312 of base layer 1124 is
disposed opposite exterior surface 1310 and faces towards the
interior void of upper 1120. In some cases, interior surface 1312
can form a majority of an interior of upper 1120.
[0065] Article 1100 also includes a tensile support structure 1150
that is disposed over upper 1120. Tensile support structure 1150 is
formed by a plurality of strands 1152 that are connected in a
chain-linked arrangement at a plurality of intertwined links 1154.
In this embodiment, tensile support structure 1150, plurality of
strands 1152, and plurality of intertwined links 1154 may be
substantially similar to tensile support structure 150, plurality
of strands 152, and plurality of intertwined links 154 described
above with reference to the exemplary embodiment of article
100.
[0066] Additionally, article 1100 can include other similar
components as article 100, described above. For example, article
1100 includes a collar 1123 that forms a throat opening 1140
proving access to the interior void of upper 1120. Each of collar
1123 and throat opening 1140 can be substantially similar to collar
123 and throat opening 140, described above. Upper 1120 of article
1100 also can include a lacing region 1130 extends forward from
collar 1123 and throat opening 1140 in a substantially similar
manner as lacing region 130, described above. Lacing region 1130
can also include a tongue 1132 and lace 1136, substantially similar
to tongue 132 and lace 136. Lace 1136 can extend through a
plurality of lace-receiving elements that are configured as a
plurality of lace apertures 1134. Lace apertures 1134 can be
substantially similar to lace apertures 134, including any optional
configurations described above.
[0067] In the present embodiment, tensile support structure 1150
can be arranged so as to have portions that extend over and/or
between different layers forming upper 1120 of article 1100. That
is, because upper 1120 includes multiple layers, including base
layer 1124 and cover layer 1122, tensile support structure 1150 can
be disposed over upper 1120 in a different manner than with article
100. In an exemplary embodiment, tensile support structure 1150 can
have portions that are (a) disposed between exterior surface 1310
of base layer 1124 and inside surface 1302 of cover layer 1122 and
(b) disposed over outside surface 1300 of cover layer 1122.
[0068] In other embodiments, tensile support structure 1150 can
have other arrangements, for example, with tensile support
structure 1150 being disposed almost entirely between exterior
surface 1310 of base layer 1124 and inside surface 1302 of cover
layer 1122, or with tensile support structure 1150 being disposed
almost entirely over outside surface 1300 of cover layer 1122.
[0069] As shown in FIGS. 11 and 12, cover layer 1122 of upper 1120
includes a plurality of openings 1126 that expose base layer 1120.
Plurality of openings 1126 also provide access for portions of
plurality of strands 1152 of tensile support structure 1150 extend
out from beneath cover layer 1122 to extend over outside surface
1300 of cover layer 1122 and/or to extend under cover layer 1122 to
be located between exterior surface 1310 of base layer 1124 and
inside surface of cover layer 1122. That is, plurality of openings
1126 allow plurality of strands 1152 of tensile support structure
1150 to be alternately located between cover layer 1122 and base
layer 1124 and over cover layer 1122 so as to be exposed to the
exterior of the upper. With this arrangement, tensile support
structure 1150 may interact with and distribute forces to portions
of upper 1120 of article 1100.
[0070] Referring now to FIG. 12, an enlarged view of a portion of
tensile support structure 1150 is shown relative to cover layer
1122 and base layer 1124 of upper 1120. As noted above, tensile
support structure 1150 is formed by one or more strands or strand
sections of plurality of strands 1152 that are connected at
adjacent portions to form intertwined links 1154. For example, in
this embodiment, plurality of strands includes a first strand 1200
and a second strand 1210. First strand 1200 is located adjacent to
second strand 1210.
[0071] In this embodiment, each of first strand 1200 and second
strand 1210 include portions extending between lacing region 1130
and the lower region of upper 1120 near sole structure 1110.
Together the portions of each strand form a loop near lacing region
1130 that extends over lace apertures 1134 for receiving lace 1136.
For description purposes, the portions may be described as
ascending portions and descending portions, as described with
reference to FIG. 6 above. In addition, in this alternate
embodiment of article 1100, portions of each strand may also be (a)
covered, i.e., located between base layer 1124 and cover layer 1122
or (b) exposed, i.e., disposed over cover layer 1122.
[0072] For example, first strand 1200 includes a first exposed
ascending portion 1202 that extends upwards from the lower region
near sole structure 1110 in a direction towards lacing region 1130.
First exposed ascending portion 1202 extends over cover layer 1122.
At one of the plurality of openings 1126 in cover layer 1122, first
strand 1200 extends beneath cover layer 1112 and a first covered
ascending portion 1203 is located between base layer 1124 and cover
layer 1122. Next, at lacing region 1130, first strand 1200 forms a
first loop 1204 that extends around first lace aperture 1230 and a
first covered descending portion 1205 of first strand 1200 extends
back down from lacing region 1130 through another one of plurality
of openings 1126 so as to again extend beneath cover layer 1122 and
over base layer 1124. First strand 1200 continues in a direction
towards the lower region of upper 1120 near sole structure 1110 and
extends out of another one of plurality of openings 1126 so that a
first exposed descending portion 1206 again extends over cover
layer 1122 on the exterior of upper 1120.
[0073] In a similar manner, second strand 1210 includes a second
exposed ascending portion 1212 that extends upwards from the lower
region near sole structure 1110 in a direction towards lacing
region 1130. Second exposed ascending portion 1212 extends over
cover layer 1122, and at one of the plurality of openings 1126 in
cover layer 1122, second strand 1210 extends beneath cover layer
1112 so that a second covered ascending portion 1213 is located
between base layer 1124 and cover layer 1122. Next, at lacing
region 1130, second strand 1210 forms a second loop 1214 that
extends around second lace aperture 1232 and a second covered
descending portion 1215 of second strand 1210 extends back down
from lacing region 1130 through another one of plurality of
openings 1126 so as to again extend beneath cover layer 1122 and
over base layer 1124. Second strand 1210 continues in a direction
towards the lower region of upper 1120 near sole structure 1110 and
extends out of another one of plurality of openings 1126 so that a
second exposed descending portion 1216 again extends over cover
layer 1122 on the exterior of upper 1120.
[0074] Plurality of intertwined links 1154 between adjacent
portions of strands 1152 can be arranged as described above in
reference to FIG. 6, including self-linked and adjacent-linked
types of intertwined links. As shown in FIG. 12, a first link 1240
connects first exposed ascending portion 1202 and first exposed
descending portion 1206 of first strand 1200. First link 1240 may
be described as being self-linked because it connects adjacent
ascending and descending portions of the same strand, for example,
first strand 1200. In comparison, a second link 1242 connects first
exposed descending portion 1206 of first strand 1200 and second
exposed ascending portion 1212 of second strand 1210. Second link
1242, therefore, may be described as being adjacent-linked because
it connects adjacent ascending and descending portions of different
strands, for example, first strand 1200 and second strand 1210. The
remaining links of plurality of links 1154 have a substantially
similar configuration.
[0075] In this embodiment, each opening of plurality of openings
1126 corresponds with a location of one of plurality of intertwined
links 1154. With this configuration, the distribution of tensile
forces through tensile support structure 1150 that occurs by
pulling intertwined links in a manner as described in FIGS. 8
through 10 above may be accommodated by openings 1126.
Additionally, by alternately extending portions of plurality of
strands 1152 over and under cover layer 1122, cover layer 1122 of
upper 1120 may be at least partially connected to and interact with
tensile support structure 1150 in the area between lacing region
1130 and the lower region where upper 1120 connects to sole
structure 1110. With this arrangement, tensile support structure
1150 may provide additional conformance of upper 1120 to a foot of
a wearer.
[0076] In some embodiments, an upper for an article of footwear may
incorporate a knitted component that includes a tensile support
structure. Accordingly, another alternate embodiment of article of
footwear 1400 including an upper 1420 incorporating a knitted
component 1422 and tensile support structure 1450 is described in
FIGS. 14-16. Article 1400 includes tensile support structure 1450
that is connected to and/or formed of unitary knit construction
with knitted component 1422 that is incorporated into upper 1420.
Tensile support structure 1450 is formed by a plurality of strands
1452 that are connected in a chain-linked arrangement at a
plurality of intertwined links 1454. In this embodiment, tensile
support structure 1450, plurality of strands 1452, and plurality of
intertwined links 1454 may be substantially similar to tensile
support structures 150 and/or 1150, plurality of strands 152 and/or
1152, and plurality of intertwined links 154 and/or 1154 described
above with reference to the embodiments of article 100 and article
1100.
[0077] Referring now to FIG. 14, article 1400 includes upper 1420
and sole structure 1410. Sole structure 1410 is secured to upper
1420 and extends between the foot and the ground when article 1400
is worn. In this embodiment, upper 1420 includes knitted component
1422. Knitted component 1422 can be formed by a knitting process,
such as a weft-knitting process, including flat-knitting or
circular-knitting processes, to interloop yarns that form knitted
component 1422. In this embodiment, a plurality of strands 1452 of
tensile support structure 1450 extends through a plurality of knit
tubes 1424 formed in knitted component 1422 of upper 1420.
Plurality of strands may be knit into knitted component forming
upper using methods for inlaying tensile elements or strands
described in any one or more of commonly-owned U.S. Pat. No.
8,490,299 to Dua et al., U.S. Pat. No. 8,839,532 to Huffa et al.,
and U.S. Pat. No. 9,060,570 to Huffa, the disclosures of which are
hereby incorporated by reference in their entirety.
[0078] Referring to FIGS. 14 and 15, for example, knitted component
1422 includes various knit tubes 1424 in which portions of strands
1452 are located. Knit tubes 1424 are generally hollow structures
formed by two overlapping and at least partially coextensive knit
layers, including a first knit layer 1610 and a second knit layer
1612, as depicted in FIG. 16. Although the sides or edges of one
knit layer of the knitted material forming knit tubes 1424 may be
secured to the other knit layer, a central area is generally
unsecured such that another element (e.g., strands 1452) may be
located between the two knit layers and pass through knit tubes
1424. In this embodiment, plurality of knit tubes 1424 cover
portions of strands 1452, while another portion of strands 1452 is
exposed on the exterior of upper 1420 through openings 1426. The
exposed portion of strands 1452 corresponds to location of
plurality of intertwined links 1454 connecting adjacent portions of
strands 1452.
[0079] Additionally, article 1400 can include other similar
components as article 100 and/or article 1100, described above. For
example, article 1400 includes a collar 1423 that forms a throat
opening 1440 proving access to the interior void of upper 1420.
Each of collar 1423 and throat opening 1440 can be substantially
similar to collar 123 and/or 1123 and throat opening 140 and/or
1140, described above. Upper 1420 of article 1400 also can include
a lacing region 1430 extends forward from collar 1423 and throat
opening 1440 in a substantially similar manner as lacing region 130
and/or 1130, described above. Lacing region 1430 can also include a
tongue 1432 and lace 1436, substantially similar to tongue 132
and/or 1132 and lace 136 and/or 1136. Lace 1436 can extend through
a plurality of lace-receiving elements that are configured as a
plurality of lace apertures 1434. Lace apertures 1434 can be
substantially similar to lace apertures 134 and/or 1134, including
any optional configurations described above.
[0080] In the present embodiment, tensile support structure 1450
can be arranged so as to have portions of plurality of strands 1452
that extend through knit tubes 1424 formed by overlapping knit
layers of knitted component 1422 that is incorporated into upper
1420 of article 1400 and portions that are exposed within a
plurality of openings from knit tubes 1424. For example, as shown
in FIG. 16, an exterior surface 1600 of knitted component 1422 can
form a majority of an exterior of upper 1420 and an interior
surface 1601 of knitted component 1422 is disposed opposite
exterior surface 1600 and faces towards the interior void of upper
1420. In some cases, interior surface 1601 can form a majority of
an interior of upper 1420. In an exemplary embodiment, tensile
support structure 1450 can have portions of plurality of strands
1452 that are (a) disposed within knit tubes 1424 formed by
overlapping first knit layer 1610 and a second knit layer 1612 and
(b) exposed from knit tubes 1424 at openings 1426 to the exterior
of upper 1420. With this arrangement, portions of tensile support
structure 1450 can be connected to and/or formed of unitary knit
construction with knitted component 1422 that is incorporated into
upper 1420.
[0081] Referring now to FIG. 15, an enlarged view of a portion of
tensile support structure 1450 is shown relative to knitted
component 1422 of upper 1420. As noted above, tensile support
structure 1450 is formed by one or more strands or strand sections
of plurality of strands 1452 that are connected at adjacent
portions to form intertwined links 1454. For example, in this
embodiment, plurality of strands includes a first strand 1500 and a
second strand 1510. First strand 1500 is located adjacent to second
strand 1510.
[0082] In this embodiment, each of first strand 1500 and second
strand 1510 include two portions extending between lacing region
1430 and the lower region of upper 1420 near sole structure 1410.
Together the two portions of each strand form a loop near lacing
region 1430 that extends over lace apertures 1434 for receiving
lace 1436.
[0083] For example, first strand 1500 includes a first ascending
portion 1502 that extends upwards from the lower region near sole
structure 1410 in a direction towards lacing region 1430. At lacing
region 1430, first strand 1500 forms a first loop 1504 that extends
around one of the plurality of lace apertures 1434 and a first
descending portion 1506 of first strand 1500 extends back down from
lacing region 1430 in a direction towards the lower region of upper
1420 near sole structure 1410. In a similar manner, second strand
1510 includes a second ascending portion 1512 that extends upwards
towards lacing region 1430 and forms a second loop 1514 around
another one of the plurality of lace apertures 1434 before a second
descending portion 1516 extends back towards the lower region of
upper 1420 near sole structure 1410.
[0084] Plurality of intertwined links 1454 between adjacent
portions of strands 1452 can be arranged as described above in
reference to FIG. 6, including self-linked and adjacent-linked
types of intertwined links. As shown in FIG. 15, a first link 1520
connects first ascending portion 1502 of first strand 1500 to an
adjacent portion of a different strand. First link 1520 may be
described as being adjacent-linked because it connects adjacent
ascending and descending portions of different strands. In
comparison, a second link 1522 connects first ascending portion
1502 of first strand 1500 to first descending portion 1506 of first
strand 1500. Second link 1522 may be described, therefore, as being
self-linked because it connects adjacent ascending and descending
portions of the same strand, for example, first strand 1500. The
remaining links of plurality of links 1454 have a substantially
similar configuration, including a third link 1524 and a fourth
link 1526.
[0085] In this embodiment, each opening of plurality of openings
1426 of knit tubes 1424 corresponds with a location of one of
plurality of intertwined links 1454. With this configuration, the
distribution of tensile forces through tensile support structure
1450 that occurs by pulling intertwined links in a manner as
described in FIGS. 8 through 10 above may be accommodated by
openings 1426.
[0086] While various embodiments have been described, the
description is intended to be exemplary, rather than limiting and
it will be apparent to those of ordinary skill in the art that many
more embodiments and implementations are possible that are within
the scope of the embodiments. Any feature of any embodiment may be
used in combination with or substituted for any other feature or
element in any other embodiment unless specifically restricted.
Accordingly, the embodiments are not to be restricted except in
light of the attached claims and their equivalents. Also, various
modifications and changes may be made within the scope of the
attached claims. Moreover, as used in the claims "any of" when
referencing the previous claims is intended to mean: (i) any one
claim; or (ii) any combination of two or more claims
referenced.
* * * * *